Evaluation of nitrogen phosphorus potassium and magnesium availability in three soils by bioassay - Wijebandara, D.M.D.I..Coconut Research Institute,Lunuwila 61150; Soamasiri, L.L.W. (Proceedings of the 59th Anuual Session,Part 1 - Abstracts, 2003)
Keywords: Agricultural Sciences, Forestry & Fisheries; -